VIA Technologies EITX-3002, User Manual

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3.7. AMP Select Jumper
The EITX-3002 provides an onboard AMP (Amplified) select jumper labeled
as “J7”. The AMP select jumper is to enable or disable the amplified onboard
audio signals support. To enable the AMP (default setting): short pin 1 & 3,
pin 5 & 7, pin 2 & 4 and pin 6 & 8. To disable or bypass the AMP: short pin 3 &
4, and pin 5 & 6.
J7
1
7
2
8
1
7
2
8
3
5
4
6
1
7
2
8
Enabled AMP
(default)
Disabled AMP
4
6
4
6
3
5
3
5
Figure
Figure Figure
Figure 40
40 40
40: AMP
: AMP : AMP
: AMP select
select select
select jumper
jumper jumper
jumper
Settings Settings Settings Settings Pin 1 Pin 1 Pin 1 Pin 1 Pin 3 Pin 3 Pin 3 Pin 3 Pin 5 Pin 5 Pin 5 Pin 5 Pin 7 Pin 7 Pin 7 Pin 7
Short Short Short Short
Pin 2 Pin 2 Pin 2 Pin 2 Pin 4 Pin 4 Pin 4 Pin 4 Pin 6 Pin 6 Pin 6 Pin 6 Pin 8 Pin 8 Pin 8 Pin 8
Enabled AMP (default)
Short Short Short Short
Pin 1 Pin 1 Pin 1 Pin 1 Pin 3 Pin 3 Pin 3 Pin 3 Pin 5 Pin 5 Pin 5 Pin 5 Pin 7 Pin 7 Pin 7 Pin 7
Open Short Short Open
Pin 2 Pin 2 Pin 2 Pin 2 Pin 4 Pin 4 Pin 4 Pin 4 Pin 6 Pin 6 Pin 6 Pin 6 Pin 8 Pin 8 Pin 8 Pin 8
Disabled/Bypass AMP
Open Short Short Open
Table Table Table Table 30 30 30 30: AMP : AMP : AMP : AMP select select select select jumper jumper jumper jumper settings settings settings settings